September 4, 2019by admin

torque wrench

Before we start talking about different types of torque wrenches, it is important to know what a torque wrench is. A torque wrench helps apply the required amount of torque on a fastener such as a nut or a bolt to either tighten or loosen it. When applying the high value of torque, these wrenches would require a reaction arm that would lock itself at an adjacent point (As Newton’s 3rd law states, every action requires an equal and opposite reaction).

August 29, 2019by admin

When it comes to bolted joints, utmost importance is given to joint reliability in applications such as pressure vessels & pipe flanges in oil & gas for leakage free joints; in automotive/machinery for guarding against vibration. When it comes to infrastructural joints of long-term nature such as bridges and towers, the Fit-it-Forget-approach is commonly seen.

Joint reliability is determined by various factors, bolt load accuracy playing a predominantly critical role among these. To control the impact of external factors such as vibration and temperature on bolt load, we need to understand the concept of Controlled Bolting Mechanism which is a scientific method of bolting.

July 11, 2019by admin

Calibration Cover Image

Calibrating torque wrenches and pressure gauges of hydraulic power packs improve the accuracy of the amount of torque applied on a given fastener. Calibration ensures that the torqueing tool has applied the right amount of force to fasten a bolt accurately. Similarly, calibrating hydraulic the pressure gauges of hydraulic power packs to ensure that the pump is providing the required pressure to the torqueing or bolt tensioning tool. As tools and pumps age, it may over tighten or loosen fasteners, that can cause the bolt to deform or break. Therefore, Calibration helps maintain the accuracy and consistency of the tool and pump.


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